changing permissible values for sim_simulation.enroll_type to open and closed. Addint the type (enrolled, invited, auto-enroll) column to sim_party_sim_map
fix indents on recovery.xml, mention installs on 9i, mention does not on pg7.2, fix userinput on some recovery instructions, fix tar flags for extract (was xzv rather than xzf)
making the simulation-casting page work (first page in casting process that checks ready_p). Adding proc simulation::template::ready_for_casting_p. Refactoring proc simulation::template::edit to do dynamic sql.